Invention Grant
- Patent Title: Ranging apparatus, lens system, and imaging apparatus
- Patent Title (中): 测距装置，透镜系统和成像装置
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Application No.: US13227541Application Date: 2011-09-08
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Publication No.: US08670657B2Publication Date: 2014-03-11
- Inventor: Masakazu Kodaira
- Applicant: Masakazu Kodaira
- Applicant Address: JP
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JP2010-206766 20100915
- Main IPC: G03B17/00
- IPC: G03B17/00 ; G03B7/099 ; G03B13/00 ; G02B7/28 ; G02B7/04 ; G01C3/00 ; H04N5/232
Abstract:
The ranging apparatus of the present invention measures the distance to an object to be imaged by an imaging apparatus using the principle of triangulation ranging, and has a measurement unit in which a maximum distance that can be ranged to an object is not less than ½ of a maximum value of the hyper focal length of the imaging apparatus.
Public/Granted literature
- US20120063758A1 RANGING APPARATUS, LENS SYSTEM, AND IMAGING APPARATUS Public/Granted day:2012-03-15
Information query
